HomeMy WebLinkAbout2013-01-16 PACKET 08.A.REQUEST OF CITY COUNCIL ACTION COUNCIL AGENDA
MEETING ITEM #
DATE 1/16/13
PREPARED BY Community Development Jennifer Levitt
ORIGINATING DEPARTMENT STAFF AUTHOR
COUNCIL ACTION REQUEST
Consider approving the feasibility report and calling for a public hearing for the Hinton Avenue
South Reclamation - 80th Street to 70th Street Project.
STAFF RECOMMENDATION
Adopt the resolution approving the feasibility report and calling for a public hearing for the
Hinton Avenue South Reclamation - 80th Street to 70th Street Project.
BUDGET IMPLICATION $ $
BUDGETED AMOUNT ACTUAL AMOUNT
SUPPORTING DOCUMENTS
FUNDING SOURCE
® MEMO /LETTER: Memo from Jennifer Levitt dated 1/10/13
® RESOLUTION: Draft
❑ ORDINANCE:
❑ ENGINEERING RECOMMENDATION:
❑ LEGAL RECOMMENDATION:
® OTHER: Notice of Public Hearing
Hinton Avenue South Reclamation (Highland Area, District B) Feasibility Report
ADMINISTRATOR'S COMMENTS
�"-- --- City Administrator Date
COUNCIL ACTION TAKEN: ❑ APPROVED ❑ DENIED ❑ OTHER
CITY OF COTTAGE GROVE
MINNESOTA
To: Honorable Mayor and City Council
Ryan Schroeder, City Administrator
From: Jennifer M. Levitt, P.E., Community Development Director /City Engineer
Date: January 10, 2013
Re: Hinton Avenue South Reclamation — 80th Street to 70th Street
• Approve Feasibility Report
• Call for Public Improvement Hearing
Background
In 2008 Hinton Avenue between 80th Street and 70th Street was proposed for rehabilitation.
Due to the total financial cost of the residential streets and park improvements in the 2008
Pavement Management Project, it was recommended to forgo Hinton Avenue until a future time.
Public Works conducted patching in 2008 to help preserve the road's integrity. Hinton Avenue
was proposed for rehabilitation in 2012 according to the CIP.
The road's surface and ride quality continue to decline. On November 16, 2011, Council autho-
rized the preparation of a feasibility report for the proposed improvements. The Hinton Avenue
reconstruction project was put on hold in 2012 to enable the IMTF policy to be re- analyzed and
updated. The City Council on August 8, 2012 adopted the revised IMTF policy.
The City Council held a workshop session on this project on December 5, 2012. A neighborhood
meeting is scheduled to take place on Tuesday, January 15, 2013 in the Training Room at
Cottage Grove City Hall.
Discussion
Feasibility Report
On the basis of the Council's previous action, a feasibility report has been prepared. Upon this
analysis, the project is felt to be physically and financially feasible. The feasibility report is en-
closed for the Council's review.
Call for Public Improvement Hearing
The public improvements associated with the Hinton Avenue Road Rehabilitation will benefit
properties in the immediate area. Therefore, for the costs to be assessed to all benefited prop-
erties, it will be necessary to hold a public hearing for the project. A hearing date of February 20,
2013 will afford the necessary time to publish legal notices and send out letters to affected
property owners.
Improvements
The Hinton Avenue project limits are from 80th Street to 70th Street. The project includes the
following:
Honorable Mayor, City Council, and Ryan Schroeder
Hinton Avenue Reclamation — 80th Street to 70th Street
January 10, 2013
Page 2 of 3
1. Reclaiming of the bituminous road surface with spot curb replacement.
2. Replacement of the existing bituminous trail and expansion of the bituminous trail
from 70th Street to the Cottage Grove Trail corridor.
3. Installation of ADA pedestrian ramps at all intersections.
4. Street lighting improvements along Hinton Avenue.
5. ADA traffic signal upgrades at 80th Street and Hinton Avenue.
Project Fundinq Analysis
The total project cost is $2,077,650.00. Funding for the project is from MSA, Street Light Utility,
General Levy, and Assessments. The proposed value of the assessments is $335,306.16. The
Cost Estimate Summary can be viewed in the Appendix: Funding Allocations portion of the
Feasibility Report.
Assessment Methodology
In determining the proposed assessment values, the benefiting properties were identified first.
They consisted of the properties adjacent to Hinton Avenue and those having access to Hinton
Avenue. The school district property (Crestview Elementary) was previously assessed for im-
provements on 80th Street and is not included in the assessment calculation for Hinton Avenue.
The property at the intersection of Hinton Avenue and 80th Street owned by Susan McReynolds
was not assessed during the 80th Street project because access to the property is located off
Hinton Avenue. Now that Hinton Avenue is being rehabilitated, the property is receiving benefit
from the improvements and is included in the assessment calculation. There is one vacant
parcel adjacent to Hinton Avenue at 72nd Street; this parcel is not included in the assessment
calculation because access to the parcel would be off of 72nd Street. Previously, the City had
reviewed a concept plan layout for the parcel and it was concluded access would be off 72nd
Street, since Hinton Avenue is a collector roadway.
There are three parcels with religious institution classification, which include two parcels owned
by St. Luke's Church and one parcel owned by Jehovah's Witnesses. Religious institutions are
responsible for 75 percent of the apportioned road improvement based upon linear footage. The
IMTF policy would indicate a proposed assessment for St. Luke's totaling $64,438.81 and for
Jehovah's Witnesses totaling $53,706.27. A special benefit appraisal for St. Luke's was con-
ducted, and the special benefit was found to be $48,500 for the two parcels. The assessment for
St. Luke's is capped at $48,500. Since there was a substantial difference from the IMTF formula
and the special benefit, the City ordered an additional special benefit appraisal for the Jehovah's
Witness property. Results from the appraiser are anticipated in mid - December.
There are five commercial properties receiving benefit from the project: the Susan McReynolds
parcel, the Xcel Energy parcel, and three parcels owned by Hinton Heights Apartments. Ac-
cording to the IMTF policy, commercial properties' cost share is 100 percent of the apportioned
road improved distributed by area and front footage adjacent to Hinton Avenue. According to the
IMTF policy, Xcel Energy would have a proposed assessment of $54,270.17 and Hinton Heights
Apartments would be responsible for $292,221.52. A special benefit appraisal was conducted
Honorable Mayor, City Council, and Ryan Schroeder
Hinton Avenue Reclamation — 80th Street to 70th Street
January 10, 2013
Page 3 of 3
for Hinton Heights, which was found to have a special benefit of $158,100. The assessment for
Hinton Heights Apartments would be capped at $158,100, which is approximately $634 per
apartment. Susan McReynold's property, according to the IMTF policy, would be responsible for
$22,399.42; the special benefit was found to be $6,500. The McReynold's property would have
an assessment capped at $6,500.
The final category of property within the project area is the Auburn Woods Townhomes, which is
residential. There are 88 units within the townhome development. According the IMTF policy,
each unit is equivalent to 60 percent of a signal family unit and would have an assessment of
$709.11. The special benefit for a unit was found to be $1,300.
Recommendation
It is recommended the Council adopt the attached resolution approving the feasibility report and
establishing a February 20, 2013 public improvement hearing date for the Hinton Avenue South
Reclamation Project.
RESOLUTION NO. 2013 -XXX
RESOLUTION APPROVING THE FEASIBILITY REPORT AND CALLING FOR
A PUBLIC HEARING FOR THE HINTON AVENUE SOUTH RECLAMATION PROJECT
(HIGHLAND AREA, DISTRICT B)
WHEREAS, pursuant to the resolution adopted by the City Council on November 16,
2011, a report was authorized to be prepared by SEH, Inc. for the Hinton Avenue South
Reclamation Project (Highland Area, District B); and
WHEREAS, the feasibility report has been prepared and does find the construction of said
improvements to be necessary, cost - effective, and feasible; and
WHEREAS, the City desires to assess the cost of said improvements to all benefited
properties.
NOW, THEREFORE BE IT RESOLVED, the City Council of the City of Cottage Grove,
Washington County, Minnesota,
The feasibility report, which was prepared pursuant to Resolution No. 2011 -149 for
the Hinton Avenue South Reclamation Project (Highland Area, District B), finds the
improvements to be necessary, cost effective, and feasible and is hereby approved.
2. The City Council will consider the improvement of such streets, sanitary sewer,
water main, storm sewer, and trails in accordance with the feasibility report and the
assessment of benefitting property for all or a portion of the cost of the
improvement pursuant to Minnesota Statutes, Chapter 429, at an estimated total
cost of the improvement of $2,077,650.00.
3. A public hearing shall be held on such proposed improvements on the 20th day of
February 2013 in the Council Chamber of City Hall at 7:30 p.m. and the clerk shall
give mailed and published notice of such hearing and improvement as required by
law.
Passed this 16th day of January 2013.
Myron Bailey, Mayor
Attest:
Caron M. Stransky, City Clerk
CITY OF COTTAGE GROVE
NOTICE OF PUBLIC HEARING
ON PROPOSED IMPROVEMENTS FOR THE
HINTON AVENUE SOUTH RECLAMATION PROJECT
(HIGHLAND AREA, DISTRICT B)
NOTICE IS HEREBY GIVEN, that the City Council of the City of Cottage Grove,
Minnesota, will meet at 7:30 p.m. on February 20, 2013, at Cottage Grove City Hall, 12800
Ravine Parkway South, Cottage Grove, Minnesota, to consider the making of an improvement on
the following streets: Hinton Ave. S. from 70th St. S. to 80th St. S., pursuant to Minn. Stat.
Chapter 429.011 to 429.111. The area proposed to be assessed for such improvements is the
Hinton Avenue Reconstruction Area. The estimated total cost of the improvement is
$2,077,650.00. A reasonable estimate of the impact of the assessment will be available at the
hearing. Such persons as desire to be heard with reference to the proposed improvement will be
heard at this meeting.
Individuals unable to attend the public hearing can make written comments by writing to Ryan
Schroeder, City Administrator, City of Cottage Grove, 12800 Ravine Parkway South, Cottage
Grove, MN 55016. Written comments must be received prior to the public hearing.
BY ORDER OF THE CITY COUNCIL
/s
Published on February 6, 2013, and February 13, 2013.
CITY OF COTTAGE GROVE
MINNESOTA
Feasibility Report
Hinton Avenue South Reclamation
Highland Area, District B
Cottage Grove, Minnesota
City Project No. 2012 -001
S.A.P. No. 180 - 101 -04
SEH No. COTTG 118795
January 16, 2013
-A
SEH
Building a Better World
for All of Us "'
Engineers I Architects I Planners I Scientists
January 16, 2013
Honorable Mayor and City Council
City of Cottage Grove
12800 Ravine Parkway South
Cottage Grove, MN 55016
Dear Mayor and City Council:
RE: Hinton Avenue South Reclamation
Highland Area, District B
Feasibility Report
Cottage Grove, Minnesota
City Project No. 2012 -001
S.A.P. No. 180 - 101 -04
SEH No. COTTG 118795
With your authorization, we are pleased to submit this Feasibility Report for the Hinton Avenue South
Reclamation Project (City Project No. 2012 -001). This report summarizes our study of street improvements for
Hinton Avenue South from 80th Street South to 70th Street South.
Along with the street improvements the following improvements will also be included as part of this report:
1. Removal and replacement of the existing 8 -foot bituminous trail along the west side of Hinton
Avenue South.
2. Removal and replacement of the existing 8 -foot bituminous trial along the east side of Hinton
Avenue South from 80th Street South north to Ideal Avenue South.
3. Installation of a new 8 -foot bituminous trail along the east side of Hinton Avenue South from the
existing along the power line corridor north to 70th Street.
4. Upgrade the existing street lights along the west side of Hinton Avenue South from incandescent to
LED technology.
5. Install LED street lights along the east side of Hinton Avenue South.
6. Perform upgrades to the existing traffic signal at the intersection of Hinton Avenue South and 80th
Street South to align the signal system with new ADA pedestrian standards to be mandated by
MnDOT.
The total estimated project cost is $2,077,650for the street, trail, and street light improvements. The estimated
project cost for street improvements is $1,883,052. The estimated project cost for the trail improvements is
$158,530 and $36,068 for the existing and proposed trails respectively. The project is proposed to be funded
by a combination of special assessments to benefiting properties, Municipal State Aid funds, General Tax
Levy, and City Enterprise Funds for repairs and improvements to the street and trails.
We recommend that the City Council review this report and, if acceptable, proceed with implementation as
recommended in this report.
Sincerely,
Chad E. Setterholm, PE
Project Manager
ah
Hinton Avenue South Reclamation Highland Area, District B
Feasibility Report
Cottage Grove, Minnesota
City Project NO. 2012 -001, S.A.P. NO. 180 - 101 -04
SEH No. COTTG 118795
January 16, 2013
I hereby certify that this report was prepared by me or under my direct
supervision, and that I am a duly Licensed Professional Engineer under the laws
of the State of Minnesota.
E. S
Date: January 16, 2013 Lie. No
40913
Reviewed by: �� January 16, 2013
Date
Short Elliott Hendrickson Inc.
3535 Vadnais Center Drive
St. Paul, MN 55110 -5196
651.490.2000
Table of Contents
Letter of Transmittal
Certification Page
Table of Contents
Page
1.0
Conclusions and Recommendations ....................................... ..............................1
1.1 Conclusions ........................................................................ ..............................1
1.2 Recommendations .............................................................. ..............................2
2.0
Introduction .............................................................................. ............................... 3
3.0
Existing Conditions ................................................................. ............................... 3
3.1 Street .................................................................................. ..............................3
3.2 Pedestrian Trails ................................................................ ............................... 4
3.3 Street Lighting ................................................................... ............................... 4
3.4 Storm Sewer ...................................................................... ............................... 4
3.5 Sanitary Sewer .................................................................. ............................... 4
3.6 Traffic Signal ..................................................................... ............................... 4
4.0
Criteria for Investigation .......................................................... ............................... 5
5.0
Permits and Approvals ............................................................ ............................... 5
6.0
Proposed Improvements ......................................................... ............................... 5
6 .1 Street .................................................................................. ..............................5
6 .2 Pedestrian Trails ................................................................ ............................... 5
6 .3 Street Lights ...................................................................... ............................... 6
6 .4 Traffic Signal ..................................................................... ............................... 6
7.0
Implementation ........................................................................ ............................... 6
7.1 Estimated Costs ................................................................ ............................... 6
7.2 Benefits and Assessment .................................................. ............................... 6
7.3 Proposed Funding ............................................................. ............................... 7
7.4 Easements / Right of Way ................................................. ............................... 7
7.5 Project Schedule ............................................................... ............................... 7
List of Appendices
Appendix A Exhibits
Appendix B Assessment Summaries / Funding Allocations
Appendix C Soil Boring Information
SEH is a registered trademark of Short Elliott Hendrickson Inc.
Feasibility Report COTTG 118795
City of Cottage Grove Page i
February 2013
Feasibility Report
Hinton Avenue South Reclamation Highland Area, District B
Prepared for the City of Cottage Grove
1.0 Conclusions and Recommendations
1.1 Conclusions
As a result of this study, we conclude that:
• Hinton Avenue South between 80th Street South and 70th Street South is a 44 -foot wide,
one mile long Municipal State Aid Street classified as a Minor Arterial.
• Hinton Avenue South was last improved in 1986 when it received a bituminous overlay
along with the addition of concrete curb and storm sewer.
• The bituminous pavement on Hinton Avenue South is in need of structural improvements
that are beyond localized patching and seal coating.
• The existing bituminous section on Hinton Avenue ranges in thickness from
approximately 6 -1/2 to 12 inches. When the previous bituminous pavement was overlaid,
a bituminous leveling course was used to transition the roadway profile between vertical
curves accounting for the thicker pavement section in several areas along roadway.
• Hinton Avenue South can be improved by milling off approximately 6 -1/2 inches of the
existing bituminous pavement section, reclaiming any remaining bituminous pavement in
place (reclaimed material will be pulverized into the existing aggregate base and will
provide additional structural strength to the existing aggregate base), and paving a new
6 -1/2 inch bituminous section.
• Deficiencies exist in the concrete curb and gutter along Hinton Avenue South and shall
be addressed with spot replacement prior to paving the new bituminous section.
• Pedestrian ramps be installed at all locations where pedestrian trails cross a roadway.
• An 8 -foot bituminous trail exists along the entire west side of Hinton Avenue South and
is in need of structural improvements that are beyond localized patching and seal coating.
• An 8 -foot bituminous trail exists along the east side of Hinton Avenue South from 80th
Street South north to Ideal Avenue South. It is in need of structural improvements that are
beyond localized patching and seal coating.
• The existing bituminous trails can be improved by removing the existing bituminous
pavement, reshaping the existing aggregate base, and paving a new 2 -inch thick
bituminous section.
• No bituminous trails exist along east side of Hinton Avenue South north of No Name
Park located just south of 75th Street South.
COTTG 118795
Page 1
• The existing boulevard width is too narrow along a portion of the east side of Hinton
Avenue South from No Name Park north to the power line corridor, to construct a new
pedestrian trail without buying approximately 25 feet of additional right -of -way.
• The existing boulevard grades along the east side of Hinton Avenue South from the
power line corridor north to 70th Street South are relatively flat and can be improved by
constructing a new 8 -foot bituminous boulevard trail with minimal impacts.
• The incandescent street lights along Hinton Avenue South are in need of replacement due
to condition. It is recommended that replacement street lights utilize energy saving LED
technology and reduce maintenance costs.
• Install LED street lighting along the east side of Hinton Avenue South to improve
roadway and trail lighting.
• The existing traffic signal at the intersection of Hinton Avenue South and 80th Sheet
South does not meet the latest ADA pedestrian requirements that are to be mandated by
MnDOT. It is recommended that the signal system be upgraded to align with the new
requirements.
• The total estimated project cost is $2,077,650 for the street, trail, and street lighting
improvements. The estimated project cost for street improvements is $1,883,052. The
estimated project cost for the trail improvements is $158,530 and $36,068 for the existing
and proposed trails respectively.
• This project as related to street and trail improvements is necessary to extend the life of
City streets, enhance the condition of the existing trails, provide additional trail access
along the east side of Hinton Avenue South.
• This project is cost effective by combining the street and trail improvements, recycling
existing construction materials, and is feasible from an engineering standpoint.
1.2 Recommendations
Based on these conclusions, we recommend that:
• This report be reviewed by the City Council, City staff, financial advisors, and consulting
appraiser, if necessary.
• Improve Hinton Avenue South and the existing pedestrian trials as proposed in this
report.
• Construct an 8' bituminous trail along the east side of Hinton Avenue South from the
power line corridor north to 70th Street South.
• Replace the existing incandescent street lights with LED street lights.
• Install LED street lighting along the east side of Hinton Avenue South.
• Upgrade the traffic signal at the intersection of Hinton Avenue South and 80th Street
South to the latest ADA pedestrian standards to be mandated by MnDOT.
• The City Council accepts this report and proceeds with the proposed implementation
schedule.
• The street and trail improvements be constructed as proposed in this report for an
estimated project cost of $2,077,650.
Feasibility Report COTTG 118795
City of Cottage Grove Page 2
2.0 Introduction
A feasibility study for City Project No. 2012 -001 was authorized by the Cottage Grove City
Council on November 16, 2011. This project is included in the City's Capital Improvement
Program (CIP). The project area generally consists of Hinton Avenue South from 80th Street
South to 70th Street South.
The project location is shown on Figure No. 1, located in Appendix A.
The main objective of this project is to improve the condition of existing pavement on Hinton
Avenue South.
Along with the street improvements, the following improvements should be included as part
of this project:
1. Removal and replacement of the existing 8 -foot bituminous trail along the west side of
Hinton Avenue South.
2. Removal and replacement of the existing 8 -foot bituminous trial along the east side of
Hinton Avenue South from 80th Street South north to Ideal Avenue South.
3. Installation of a new 8 -foot bituminous trail along the east side of Hinton Avenue South
from the existing along the power line corridor north to 70th Street.
4. Replacement of the existing incandescent street lights with LED street lights.
5. Install LES street lighting along the east side of Hinton Avenue South.
6. Upgrade the traffic signal at Hinton Avenue South and 80th Street South to the latest
ADA pedestrian standards to be mandated by MnDOT.
3.0 Existing Conditions
3.1 Street
Hinton Avenue South between 80th Street South an 70th Street South exists as a 44 -foot
wide, one mile long roadway, and is classified as a Minor Arterial per the City's latest
Comprehensive Plan. Concrete curb and gutter exists along both sides of the roadway and
was installed in 1986 when Hinton Avenue South received a 3 -inch bituminous overlay over
the existing 3 -1/2 inch thick bituminous surface. While the initial year of construction is
unknown, it is assumed that it was approximately 20 years prior to the bituminous overlay
done in 1986.
Since the bituminous overlay in 1986, the pavement has deteriorated to the point where
crackfilling, patching and overlays are generally no longer feasible to improve the condition
of the roadway's bituminous surface. The pavement is severely cracked in many areas, and
the City has had to place relatively expensive bituminous patching prior to seal- coating to
maintain the street surface in recent years.
In 1994, a pavement management program was conducted to determine the condition of all
streets within the City. The City currently maintains approximately 159 miles of streets. All
of the streets were field rated to document the existing street conditions. Hinton Avenue
South was last rated in 2009. Streets were rated on a scale from 1 to 100, with 100 being the
condition of a new street.
From the latest rating done in the summer of 2009, Hinton Avenue South had a composite
score of approximately 55 out of 100. Streets with scores below 45 are typically well beyond
Feasibility Report COTTG 118795
City of Cottage Grove Page 3
the point where they can be economically overlaid, and rehabilitation via reclamation is the
most feasible method of improvement. While the composite score of the pavement was
slightly higher than 45, it is reflective of the seal- coating done the prior year in 2008. While
seal- coating is a common pavement rehabilitation method, it is relatively short lived and does
not address any structural issues the pavements may have. Therefore, it is anticipated that the
composite score on Hinton Avenue South is currently below a score of 45 indicating the need
of rehabilitation via a combination of milling and reclamation.
Borings have been performed to determine the thickness of the existing bituminous and also
investigate subsurface conditions along Hinton Avenue South. Several borings indicated that
the pavement ranges in thickness from approximately 6 -1/2 to 12 inches. When the previous
bituminous pavement was overlaid, a bituminous leveling course was used to transition the
roadway profile between vertical curves accounting for the thicker pavement section in
several areas along roadway.
Data gathered from the borings will be used to design the final street sub -grade and pavement
sections.
Boring locations and logs can be found in Appendix C.
3.2 Pedestrian Trails
8 -foot bituminous trails exist along the entire west side of Hinton Avenue South and also
along the east side from 80th Sheet South to Ideal Avenue South. The pavement on both
trails is in poor condition and in need of structural improvements beyond localized patching
and seal coating.
There are several locations where pedestrian curb ramps do not exist where the pedestrian
trails cross a roadway or do not current pedestrian curb ramp standards.
3.3 Street Lighting
Incandescent street lighting currently exists along Hinton Avenue South from 80th Street
South to 70th Sheet South. The street lights are generally in poor condition and in need of
replacement due to their age.
3.4 Storm Sewer
Storm sewer exists along Hinton Avenue South and was installed in 1986. The storm sewer
was televised in 2007. Reports from the televising indicate the storm sewer is in good overall
condition and will not require any improvements.
3.5 Sanitary Sewer
Storm sewer exists along Hinton Avenue South and was televised in 2011. Reports from the
televising indicate the sanitary sewer is in good overall condition and will not require any
improvements.
3.6 Traffic Signal
A traffic signal exists at the south end of Hinton Avenue South where it intersects with 80th
Street South. The signal is in good overall condition, but needs pedestrian upgrades to
comply with new ADA pedestrian requirements to be mandated by MnDOT.
Feasibility Report COTTG 118795
City of Cottage Grove Page 4
4.0 Criteria for Investigation
The criteria used for investigating proposed improvements include:
• City of Cottage Grove's Engineering Standards.
• MnDOT Municipal State Aid Standards
• Infrastructure Maintenance Task Force Special Assessment Policy for Public
Improvements by the Infrastructure Maintenance Task Force (IMTF), dated
September 30, 2005.
• Pavement Management Program Report of 1994.
• Pavement Management Program Report Addendum, dated November 19, 1997.
5.0 Permits and Approvals
The proposed improvements will require the following permits and approvals:
• Minnesota Department of Transportation Municipal State Aid
• Washington County Transportation Department
6.0 Proposed Improvements
6.1 Street
The overlay on Hinton Avenue South is approximately 26 years old and is beyond its original
20 -year design life according to the pavement management life cycle strategy outlined in the
Pavement Management Program Report Addendum dated November 19, 1997. The pavement
is deteriorated to the point that another bituminous overlay is not feasible, and pavement
replacement is the best improvement option.
It is proposed to utilize pavement rehabilitation which consists of milling off the top
6 -1/2 inches of bituminous pavement and reclaiming any remaining bituminous by
pulverizing it into the underlying aggregate base. The aggregate base will then be graded to
proper tolerances prior to placing the bituminous pavement. This reduces costs and
construction time as approximately one half of the bituminous material does not have to be
hauled away from the project.
The proposed street typical sections are shown on Figures No. 2 and the proposed street
improvements are shown on Figures No. 3 and 4, located in Appendix A.
6.2 Pedestrian Trails
Due to the age and condition of the existing trails, rehabilitating their pavements using
localized patching and seal is not feasible. It is proposed that the bituminous on the existing
trails be removed, reshaping the aggregate base, and paving a new 2 -inch thick bituminous
surface 8 -feet in width.
Updated pedestrian curb ramps are proposed to be installed wherever a pedestrian trail
crosses a roadway to be consistent with City standards.
It is also proposed to install a new bituminous trail along the east side of Hinton Avenue
South from the existing trail located at the power line corridor north to 70th Street South.
The east boulevard of Hinton Avenue South from the power line corridor south to the existing
trail, which would complete the east side trail along Hinton Avenue South, was also reviewed
for construction of a new trail segment. Due to a narrow boulevard and steep grades to the
Feasibility Report COTTG 118795
City of Cottage Grove Page 5
adjacent properties in the vicinity of 74th Avenue, it was determined that approximately 25
feet of right -of -way would need to be purchased to construct the trail. Drainage impacts
would also have to be explored due to the existing topography that drains to the adjacent
properties. It is recommended that this trail segment not be constructed till the City
determines if additional right -of -way can be obtained from the adjacent properties.
The proposed trail typical sections are shown on Figures No. 2 and the proposed trail
improvement locations are shown on Figures No. 3 and 4, located in Appendix A.
6.3 Street Lights
The existing incandescent street lights located on the west side of Hinton Avenue South are
generally in degraded condition and are in need of replacement. It is proposed that the lights
be replaced using new LED technology to provide energy savings and lower maintenance
costs.
It is also proposed to install new LED street lighting along the east side of Hinton Avenue
South to provide trail lighting and enhance roadway lighting.
6.4 Traffic Signal
The existing traffic signal at the intersection of Hinton Avenue South and 80th Street South
does not meet the new ADA pedestrian requirements to be mandated by MnDOT. It is
recommended that the signal be upgraded with a complete Accessible Pedestrian System
(APS) to meet the new ADA requirements.
The APS system will consist of audible push buttons (one for each direction of pedestrian
travel across a roadway), LED count -down timers, and replacing the existing "Do Not Walk"
incandescent lenses with LED lenses.
7.0 Implementation
7.1 Estimated Costs
The total estimated project cost is $2,077,650 for the proposed improvements.
The estimated project cost for street improvements is $1,883,052. The estimated project cost
for the trail improvements is $158,530 and $36,068 for the existing and proposed trails
respectively.
The above costs includes construction, 10 percent contingencies, and 30 percent indirect costs
(Indirect costs consist of engineering, administrative, interim financing, and legal expenses).
An estimated cost summary is located in Appendix B.
7.2 Benefits and Assessment
Assessments are proposed to be levied based on the City's current assessment policy. The
project area is unique as it is comprised of properties that are classified as
commercial /industrial, religious institution, and residential. All properties adjacent and that
benefit from the improvements are proposed to be assessed.
A special benefits appraisal was performed by BRKW Real Estate Valuation Services
(September 26, 2012 valuation date / October 5, 2012 report date) to develop an opinion of
the special value benefits resulting from the proposed public improvements to Hinton Avenue
South.
Feasibility Report COTTG 118795
City of Cottage Grove Page 6
Since Hinton Avenue South exists as a 44 -foot wide roadway, the project costs associated
with street improvements were reduced proportionately to make them consistent with the
City's standard 34 -foot wide residential roadway prior to computing any assessment costs
(i.e. (34' / 44')* 100% = 77 %). Total assessment costs were computed from project costs for
the following improvements: 34 -foot street, street lighting, and trail improvements. It is
proposed that the City will be responsible for project costs for the following improvements:
Extra street width and traffic signal improvements.
The total estimated project assessment for proposed improvements is $335,306. These total
assessment costs represent approximately 16 percent of the total project cost for these
improvements. Assessments for each classification of properties aforementioned were
computed using Council adopted guidelines outlined in the Infrastructure Maintenance Task
Force Special Assessment Policy for Public Improvements.
Proposed assessment breakouts and summary is located in Appendix B.
7.3 Proposed Funding
This project is proposed to be funded with a combination of assessments, Municipal State
Aid, and City funding. The estimated assessments are approximately 16 percent, and the City
portion is approximately 84 percent of the total project cost for improvements outlined in this
report. City funding consists of General Tax Levy, City Enterprise Funds for repairs and
improvements to the street and traffic signal system. The City anticipates utilizing Municipal
State Aid Funds to reimburse City Funds for the portion of the improvements not to be
funded by assessments.
A summary of the funding allocations is located in the Appendix B.
7.4 Easements / Right of Way
No additional easements or right of way are anticipated for the improvements.
7.5 Project Schedule
A proposed project schedule has been prepared and is included as shown below.
• Initiate Project, Authorize Feasibility Report ................. .......................November 16, 2011
• Council Workshop .................................................... ............................... December 5, 2012
• Neighborhood Meeting ............................................... ............................... January 15, 2013
• Present Feasibility Report to Council & Call For Public
Improvement Hearing ................................................. ............................... January 16, 2013
• Council Holds Public Improvement Hearing & Orders Public
Improvements ........................................................... ............................... February 20, 2013
• City Council Approves Plans & Specs, Authorizes Advertisement
forBids ......................................................................... ............................... March 20, 2013
• Receive Bids ................................................................... ............................... April 25, 2013
• Council Awards Contract .................................................. ............................... May 1, 2013
• Begin Construction ............................ ............................... ............................Mid June, 2013
• Substantial Completion ................. ............................... ............................Mid August, 2013
• Council Calls For Assessment Hearing On Public Improvement ........... September 4, 2013
• Final Completion .................................................... ............................... September 14, 2013
Feasibility Report COTTG 118795
City of Cottage Grove Page 7
• Council Holds Assessment Hearing & Considers Adopting
Assessment Roll ................................... ............................... ........................October 2, 2013
Feasibility Report COTTG 118795
City of Cottage Grove Page 8
Appendix A
Exhibits
U .
City of
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9
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Trail Improvements (Existing Trail)
Trail Improvements (Proposed New Trail) �., f
2,000 1,000 0
1 Feet
Project: COTTG 118795 HINTON AVENUE SOUTH
3535 VADNAIS CENTER DR. Print Date: 1117/2012 �/
ST. PAUL, MN 55110 S.A.P. 180 - 1 0 Figure
PHONE: (651) 490 -2000 Map by: SrH
FAX: (888) 908 -8166 Projecton: UTM, Zone 15, NAD 83, m
SE H TF: (800) 325 -2055 Source: USGS 7.5 Min. Topo, Area Map
vn'nv.sehinc.com MnDOT, and SEH Inc.
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WEST. R/W
E 9.5 BIT. WEARING
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O 8' RECLAIMED BIT. AND CL 5 AGGREGATE BASE FOR
PROPOSED/NEW TRAIL ALONG EAST SIDE OF ROADWAY FROM
70Th STREET S. TO CORRIDOR TRAIL
T SECTION
HINTON AVENUE SOUTH
(FROM BOTH ST. S. TO 707H ST. S.)
- VARIES 44' F
11' 11'
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27
B618 CONCRETE CURB
INSET B AND GUTTER (TYR)
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27
INSET A 1 — INSET B
E 12.5 BIT. WEARING
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MIXTURE (4,B)
IIT. TACK COAT
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CLAIMED BIT., CL 5, AND
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CITY OF COTTAGE GROVE
/
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S DR.
FILE NO.
CoTTG118795
HINTON AVENUE RECLAMATION
TYPICAL SECTION
FIGURE
n
MINNESOTA
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ST. PAUL AN 551 O R
DATE:
2/1/12
COTTAGE GROVE, MINNESOTA
NO. G
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Appendix B
Assessment Summaries / Funding Allocations
Assessment Summaries
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= 2 2 2 2 5 2 2 S S S S 2 S 2 S 2 2 2 2 2 2 2 2 2 2 2 2 2 2 m 2 2 2 7 2 2 2 2 2 S 2 2 2 2 S
(0 w O N V' w w O N V' w w O N IT w w O N V (0 w O N V (0 w O N-It w O N (O N V w N O N V O w 0 N V'
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Appendix C
Soil Boring Information
°
l
o -
0000 v�
i-
i�
LIM
y es
a
W
135
o
m 6
d
y
N
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86
D J00
8
BOTH ST. So. -
—
d
n
FILE No,
HINT AVENUE
PHONE: 651.490.2000
118795
BORING LOCATIONS
EXHIBIT
353 P A MN 551"0196
SEH
DATE:
COTTAGE GROVE, MINNESOTA
N4.1
www.sehine.com
12/19/11
LOG OF BORING NO' B1
Project No. ESP008667P
Sheet 1 of 1
CLIENT
ARCHITECT /ENGINEER
City of Cottage Grove
Short Elliott Hendrickson, Inc.
SITE Hinton Avenue South
PROJECT
Cottage Grove, Minnesota
Proposed Hinton Ave. S Reclamation
SAMPLES
TESTS
n
o
o
-
N w
w z
W
z
6
v
ADDITIONAL
DATA/
F
Q
p
M
w R
f-
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n
ai
REMARKS
a
>a
a
a
an
X11
o f
Surface Elev.:
0
o
in z
z?
lz
FILL, 5 1/4" of bituminous pavement at the
AS
1
\UGER
12
surface
(Fill)
0 .a ---
- -__-- -------- - - - - --
FILL, 4" of sand with silt & gravel aggregate
base, dark brown, frozen to 8" then moist
Q,8 (Filll____ ___
- -` __
FILL, silty sand with gravel, dark brown to
brown, moist
(Fill)
AS
2
kUGEF
18
2.5
End of Boring
WATER LEVEL OBSERVATIONS
.`
STARTED 12/22/11
FINISHED 1 2/22/11
r element"
None
maietic3s Technology
662 Cromwell Ave.
St. Paul, MN 55114
DRILL CO. Element
DRILL RIG 367
DRILLER Rutherford
ASS'T DRILLER AS
Telephone: 651 - 645 -3601
LOGGED BY KSZ
APPROVED MA
LOG ®F BORING N®. B2
Project No. ESPOOt3667P
Sheet 7 of 9
CLIENT
ARCHITECT /ENGINEER
City of Cottage Grove
Short Elliott Hendrickson, Inc.
SITE Hinton Avenue South
PROJECT
Cottage Grove, Minnesota
Proposed Hinton Ave. S Reclamation
SAMPLES
TESTS
0
LU
o
O
N
z
c
ADDITIONAL
U
CL
_
J
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U Z
h
z
p
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REMARKS
aw
��
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> IL
0 a
fl E
Surface Elev.:
�
n zo�
z
z z
o
a s
FILL, 6 3/4" of bituminous pavement at the
AS
1
k UGEF
12
surface
(Fill)
5- 6 _— _— __ -------- - - - - --
- - - --
FILL, 4" of sand with slit 8, gravel aggregate
base, brown, frozen to 8" then moist
0 (Fill)
_
FILL, silty sand with gravel, dark brown to
brown, moist
AS
2
UGEF
18
(Fill)
2.5
End of Boring
WATER LEVEL OBSERVATIONS
STARTED 12122/11
FINISHED 12/22/11
r elexira.eff
None
mater[als technology
662 Cromwell Ave.
St. Paul, MN 55114
DRILL CO. Element
DRILL RIG 367
DRILLER Rutherford
ASS 'T DRILLER AS
Telephone: 651-645.3601
I LOGGEDBY KSZ
APPROVED MAS
LOG OF BORING NO' B
Project No. ESP008667P
Sheet 1 of 1
CLIENT
ARCHITECT/ENGINEER
City of Cottage Grove
Short Elliott Hendrickson, Inc.
SITE Hinton Avenue South
PROJECT
Cottage Grove, Minnesota
Proposed Hinton Ave. S Reclamation
SAMPLES
TESTS
U
f,
j z
W
L
W
U
C'
ADDITIONAL
0-
y
i Q
tr
m
O
wit
z
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REMARKS
L:
>❑
p
a❑
>- LL
E
Surface Elev.:
o
m z�
a
z
z z
a
d a
FILL, 12" of bituminous pavement at the
AS
1
NUGEF
12
surface
(Fill)
1
FILL, 3 "of sand with silt &gravel aggregate
AS
2
UGEF
18
base, dark brown, moist
(Fill____
FILL, silty sand with a little gravel, brown,
moist
(Fill)
2.5
End of Boring
WATER LEVEL OBSERVATIONS
q
Y °w element
STARTED 12/22/11
FINISHED 12/2211
None
materials technology
662 Cromwell Ave.
St. Paul, MN 55114
DRILL CO. Element
DRILL RIG 367
DRILLER Rutherford
ASS DRILLER AS
Telephone: 651 -645 -3601 I LOGGEDBY
KSZ
APPROVED MAS
LOG OF BORING NO. B 4
Project No. ESP008667P
Sheet 1 of 1
CLIENT
ARCHITECT/ENGINEER
City of Cottage Grove
Short Elliott Hendrickson, Inc.
SITE Hinton Avenue South
PROJECT
Cottage Grove, Minnesota
Proposed Hinton Ave. S Reclamation
SAMPLES
TESTS
w
o
y
0
N
> z
to
F
ADDITIONAL
U
f j
- '
it
w
ca
p j
—
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[x
z
W
v
DATA/
REMARKS
a
Surface Elev.:
(D
a
i z a
z
??
o a
FILL, 11 1/2" of bituminous pavement at the
AS
1
k UGEF
12
surface
(Fill)
1 ---- ----
- - - -__ _ _ __ - - - - --
FILL, silty sand with a little gravel, dark brown
AS
2
x UGEF
18
to brown, moist
(Fill)
2-----
- - - -__ __ _ _---- - - - - --
FILL, sand with silt and a little gravel, brown,
moist
(Fill)
2.5
End of Boring
WATER LEVEL OBSERVATIONS:
STARTED 12/22/11
FINISHED 12/22/11
�'= ���='= elemenf
None
-`3
materials technology
662 Cromwell Ave.
St, Paul, MN 55114
DRILL CO. Element
DRILL RIG 367
L
DRILLER Rutherford
ASS'TDRILLER AS
Telephone: 651- 645 -3601
LOGGED BY KSZ
APPROVED MAS
LOG OF BORING N®" B
Project No. ESP008667P
Sheet 1 of 1
CLIENT
ARCHITECT /ENGINEER
City of Cottage Grove
Short Elliott Hendrickson, Inc.
SITE Hinton Avenue South
PROJECT
Cottage Grove, Minnesota
Proposed Hinton Ave. S Reclamation
SAMPLES
TESTS
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DATA/
REMARKS
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Surface Elev.:
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FILL, 7 114" of bituminous pavement at the
AS
1
AUGER
12
surface
(Fill)
0 = 6 --------------------------
FILL, 2 1!2" of sand with sift &gravel
aggregate base, dark brown to brown, frozen
- I to 8" then moist - -
1 �
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- -- - - -- -- - --
FILL, silty sand with gravel, dark brown to
AS
2
kUGEF
18
brown, moist
(Fill)
2.5
End of Boring
l
WATER LEVEL 013SERVATIONS
STARTED 12 /22/11
FINISHED 12/22/11
'' el emenf
None
materials technology
662 Cromwell Ave.
St. Paul, MN 55114
DRILL CO. Element
DRILL RIG 367
DRILLER Rutherford
ASS'T DRILLER AS
Telephone: 651 - 645 -3601
LOGGED BY KSZ
APPROVED MAS
LOG OF BORING NO. B6
Project No. ESPOO8667P
Sheet 1 of 1
CLIENT
ARCIiITECT /ENGINEER
City of Cottage Grove
Short Elliott Hendrickson, Inc,
SITE Hinton Avenue South
PROJECT
Cottage Grove, Minnesota
Proposed Hinton Ave. S Reclamation
SAMPLES
TESTS
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W
o
-
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tti
c
ADDITIONAL
U
4
r
¢
W
m
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w �
a
Z
o
o
DATA/
REMARKS
W
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n
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E
Surface Elev.:
0
o
m z w
z
--
a ci
a u
FILL, 5 1/2" of bituminous pavement at the
AS
1
\UGEF
12
surface
(Fill)
0.5--
-- _ _ _-------------------
FiLL, 3 1/2" of sand with silt & gravel
aggregate base, dark brown, frozen to 8" then
moist
o
�tiLil
-------------- - - - - - -fir__
FILL, silty sand with a little gravel, dark brown
to brown, moist
AS
2
kUGE
18
(Fill)
2.5
End of Boring
WATER LEVEL OBSERVATIONS
ele deJL f
STARTED 12/22/11
FINISHED 12/22/11
-
None
materials technology
662 Cromwell Ave.
St. Paul, MN 55114
DRILL CO. Element
DRILL RIG 367
DRILLER Rutherford
ASS'T DRILLER AS
Telephone: 651 -645 -3601
1 LOGGED BY KSZ
APPROVED MAS